From d0bdbaa1ed76dfbf3211bb43eee48c49cc4fd448 Mon Sep 17 00:00:00 2001
From: Valentin Popov <valentin@popov.link>
Date: Mon, 22 Jun 2026 13:12:27 +0400
Subject: feat: implement FParkan architecture foundation

Add the modular fparkan workspace, domain crates, adapters, apps, xtask policy/CI, acceptance evidence, and licensed corpus gates for the macOS-focused roadmap foundation.
---
 crates/render-core/src/lib.rs | 146 ------------------------------------------
 1 file changed, 146 deletions(-)
 delete mode 100644 crates/render-core/src/lib.rs

(limited to 'crates/render-core/src/lib.rs')

diff --git a/crates/render-core/src/lib.rs b/crates/render-core/src/lib.rs
deleted file mode 100644
index c7a69d6..0000000
--- a/crates/render-core/src/lib.rs
+++ /dev/null
@@ -1,146 +0,0 @@
-use msh_core::Model;
-use std::collections::HashMap;
-
-pub const DEFAULT_UV_SCALE: f32 = 1024.0;
-
-#[derive(Clone, Debug)]
-pub struct RenderVertex {
-    pub position: [f32; 3],
-    pub uv0: [f32; 2],
-}
-
-#[derive(Clone, Debug)]
-pub struct RenderMesh {
-    pub vertices: Vec<RenderVertex>,
-    pub indices: Vec<u16>,
-    pub batch_count: usize,
-    pub index_overflow: bool,
-}
-
-impl RenderMesh {
-    pub fn triangle_count(&self) -> usize {
-        self.indices.len() / 3
-    }
-}
-
-/// Builds an indexed triangle mesh for a specific LOD/group pair.
-pub fn build_render_mesh(model: &Model, lod: usize, group: usize) -> RenderMesh {
-    let mut vertices = Vec::new();
-    let mut indices = Vec::new();
-    let mut index_remap: HashMap<usize, u16> = HashMap::new();
-    let mut batch_count = 0usize;
-    let mut index_overflow = false;
-    let uv0 = model.uv0.as_ref();
-
-    for node_index in 0..model.node_count {
-        let Some(slot_idx) = model.slot_index(node_index, lod, group) else {
-            continue;
-        };
-        let Some(slot) = model.slots.get(slot_idx) else {
-            continue;
-        };
-        let batch_start = usize::from(slot.batch_start);
-        let batch_end = batch_start.saturating_add(usize::from(slot.batch_count));
-        if batch_end > model.batches.len() {
-            continue;
-        }
-
-        for batch in &model.batches[batch_start..batch_end] {
-            let index_start = usize::try_from(batch.index_start).unwrap_or(usize::MAX);
-            let index_count = usize::from(batch.index_count);
-            let index_end = index_start.saturating_add(index_count);
-            if index_end > model.indices.len() || index_count < 3 {
-                continue;
-            }
-
-            let batch_out_start = indices.len();
-            let mut batch_valid = true;
-            for &idx in &model.indices[index_start..index_end] {
-                let final_idx_u64 = u64::from(batch.base_vertex).saturating_add(u64::from(idx));
-                let Ok(final_idx) = usize::try_from(final_idx_u64) else {
-                    batch_valid = false;
-                    break;
-                };
-                let Some(pos) = model.positions.get(final_idx) else {
-                    batch_valid = false;
-                    break;
-                };
-
-                let local_index = if let Some(&mapped) = index_remap.get(&final_idx) {
-                    mapped
-                } else {
-                    let Ok(mapped) = u16::try_from(vertices.len()) else {
-                        index_overflow = true;
-                        batch_valid = false;
-                        break;
-                    };
-                    let uv = uv0
-                        .and_then(|uvs| uvs.get(final_idx))
-                        .copied()
-                        .map(|packed| {
-                            [
-                                packed[0] as f32 / DEFAULT_UV_SCALE,
-                                packed[1] as f32 / DEFAULT_UV_SCALE,
-                            ]
-                        })
-                        .unwrap_or([0.0, 0.0]);
-                    vertices.push(RenderVertex {
-                        position: *pos,
-                        uv0: uv,
-                    });
-                    index_remap.insert(final_idx, mapped);
-                    mapped
-                };
-
-                indices.push(local_index);
-            }
-
-            if !batch_valid {
-                indices.truncate(batch_out_start);
-                continue;
-            }
-
-            batch_count += 1;
-        }
-    }
-
-    RenderMesh {
-        vertices,
-        indices,
-        batch_count,
-        index_overflow,
-    }
-}
-
-pub fn compute_bounds(vertices: &[[f32; 3]]) -> Option<([f32; 3], [f32; 3])> {
-    compute_bounds_impl(vertices.iter().copied())
-}
-
-pub fn compute_bounds_for_mesh(vertices: &[RenderVertex]) -> Option<([f32; 3], [f32; 3])> {
-    compute_bounds_impl(vertices.iter().map(|v| v.position))
-}
-
-fn compute_bounds_impl<I>(mut positions: I) -> Option<([f32; 3], [f32; 3])>
-where
-    I: Iterator<Item = [f32; 3]>,
-{
-    let first = positions.next()?;
-    let mut min_v = first;
-    let mut max_v = first;
-
-    for pos in positions {
-        for i in 0..3 {
-            if pos[i] < min_v[i] {
-                min_v[i] = pos[i];
-            }
-            if pos[i] > max_v[i] {
-                max_v[i] = pos[i];
-            }
-        }
-    }
-
-    Some((min_v, max_v))
-}
-
-#[cfg(test)]
-mod tests;
-- 
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